1959
Derivatives & Versions
| → CH-47 Chinook | 1960 | Development began in 1956 as the Vertol model 114. |
| → 234 | 1978 | Boeing built a total of 13 Model 234 civil Chinook helicopters; 6 for British Airways Helicopters (BAH), 3 for Helikopter Services AS in Norway, 1 for Atlantic Richfield (ARCO), Alaska, and 3 for the Taiwanese Army. |